L-Glutamine Powder Kyowa from Crown Sport Nutrition is a powdered food supplement based on the highest quality L-Glutamine, Kyowa® quality, a vegetarian ingredient with a high purity, which is backed by the highest manufacturing standards. A refined micronised filtration process provides the best pharmaceutical grade quality for this amino acid. In addition, this Glutamine-based food supplement is specifically formulated for athletes looking for a high quality, post-workout glutamine.